Analysis

  • max time kernel
    17s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    11-06-2021 03:11

General

  • Target

    df13b20b1517389269393d2f8c794f8868a2626dec8afd3b7f7f4e7d70d87829.dll

  • Size

    174KB

  • MD5

    080d0d42663a0915638144d9754c51c8

  • SHA1

    ac7f8ae1e5a335c803afa9ca652c4ceb0b622fbf

  • SHA256

    df13b20b1517389269393d2f8c794f8868a2626dec8afd3b7f7f4e7d70d87829

  • SHA512

    14ab4ec440d4eedef4188eb0d6e2b5f861e34ca6d5f33afffd8a9a90c17cc6d21fb64ec5d49f9118ae1bd164766e470a0ff749c90bba39a4fb09dbb3c3c4e7ad

Malware Config

Extracted

Family

dridex

Botnet

22201

C2

178.128.220.64:30333

45.79.91.89:9987

rc4.plain
rc4.plain

Signatures

  • Dridex

    Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.

  • Dridex Loader 1 IoCs

    Detects Dridex both x86 and x64 loader in memory.

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\df13b20b1517389269393d2f8c794f8868a2626dec8afd3b7f7f4e7d70d87829.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4068
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\df13b20b1517389269393d2f8c794f8868a2626dec8afd3b7f7f4e7d70d87829.dll,#1
      2⤵
        PID:3940
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3940 -s 644
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1096

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3940-114-0x0000000000000000-mapping.dmp
    • memory/3940-115-0x00000000755E0000-0x0000000075610000-memory.dmp
      Filesize

      192KB

    • memory/3940-117-0x00000000034C0000-0x00000000034C6000-memory.dmp
      Filesize

      24KB